Patent US3448476A successfully refreshed from Google Patents.
US3448476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable polishing device
Assignee: Individual
•
Filing: 1967-03-06
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Granted: 1969-06-10
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Expires: 1987-03-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph V Zaccone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:12
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/162; A47L11/4061; A47L11/4063; A47L11/4069; B; B23; B23Q; B23Q11/00; B23Q11/0032; B23Q11/0035; B24; B24B; B24B23/00; B24B23/02; B24B23/03; B24D; B24D9/00; B24D9/08; B60; B60S; B60S3/00; B60S3/04; B60S3/045; B60S3/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |